web.config not forwarding to 404 error page on non .aspx pages

Objective I want all URLs of missing pages to forward to my 404 page which is in my root as 404error.aspx Problem So far only the URLs that have a .aspx will work. For example, if you enter 4error.aspx you will be redirected to the error page. /404error.aspx?aspxerrorpath=/4error.aspx Background I am not a .NET developer, … Read more